<?php 
class IndexAction{
 public function index(){
   echo 'index'."/r/n";
 }
 public function test($year=2012,$month=2,$day=21){
   echo $year.'--------'.$month.'-----------'.$day."/r/n";
 }
 public function _before_index(){
   echo __FUNCTION__."/r/n";
 }
 public function _after_index(){
   echo __FUNCTION__."/r/n";
 }
}

 

//執行index方法
$method = new ReflectionMethod('IndexAction','index');
//進行權限判斷
if($method->isPublic()){
 $class = new ReflectionClass('IndexAction');
 //執行前置方法
 if($class->hasMethod('_before_index')){
  $beforeMethod = $class->getMethod('_before_index');
  if($beforeMethod->isPublic()){
   $beforeMethod->invoke(new IndexAction);
  }
 }

 $method->invoke(new IndexAction);

 //執行后置方法
 if($class->hasMethod('_after_index')){
  $beforeMethod = $class->getMethod('_after_index');
  if($beforeMethod->isPublic()){
   $beforeMethod->invoke(new IndexAction);
  }
 }
}

//執行帶參數的方法
$method = new ReflectionMethod('IndexAction','test');
$params = $method->getParameters();
foreach($params as $param ){
 $paramName = $param->getName();
 if(isset($_REQUEST[$paramName]))
  $args[] = $_REQUEST[$paramName];
 elseif($param->isDefaultValueAvailable())
  $args[] = $param->getDefaultValue();
}
if(count($args)==$method->getNumberOfParameters())
 $method->invokeArgs(new IndexAction,$args);
else
 echo 'parameters is not match!';